119a, Wrythe Lane, Carshalton, SM5 2RR

119a is a mid-terrace house in Carshalton (SM5 2RR). It has a recorded floor area of 16 m² (around 172 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in June 2011 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 16 m² this is the 2nd smallest of 6 units on EPC record in 119a, where floor areas span 12–24 m².

Today's modelled estimate of £315,000 sits 50% above the 2014 sale of £210,000. On a £-per-square-foot basis, the last sale (£1,219/sq ft) was about 492.9% above the typical sold price in the postcode. At 16 m² it sits well below the postcode median (64 m² across 19 EPCs), making it one of the more compact homes locally. Last sold in August 2014, so it's been off the market for around 12 years.